/* roulang page: index */
:root{
  --nv-main:#2F6BED;
  --nv-warm:#FF7043;
  --nv-page:#F7F9FD;
  --nv-card:#FFFFFF;
  --nv-ink:#16202E;
  --nv-ink2:#5B6B82;
  --nv-line:#E6EBF5;
  --nv-soft:#EEF3FE;
  --nv-r:14px;
  --nv-sd:0 2px 8px rgba(23,43,77,.06);
  --nv-sd2:0 10px 22px rgba(23,43,77,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;background:var(--nv-page);color:var(--nv-ink);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,figure{margin:0}
ul{padding:0;list-style:none}
a:focus-visible,summary:focus-visible{outline:2px solid var(--nv-main);outline-offset:3px;border-radius:8px}
section{scroll-margin-top:88px}
.nrdivjsf-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* 顶栏 */
.nrdivjsf-top{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--nv-line);box-shadow:0 2px 10px rgba(23,43,77,.05)}
.nrdivjsf-topin{display:flex;align-items:center;gap:24px;min-height:68px;position:relative}
.nrdivjsf-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;white-space:nowrap}
.nrdivjsf-logo{width:40px;height:40px;border-radius:10px;background:var(--nv-main);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;letter-spacing:.02em;flex:0 0 40px}
.nrdivjsf-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nrdivjsf-nav a{padding:10px 12px;border-radius:9px;font-size:15px;font-weight:500;color:var(--nv-ink2);transition:color .18s,background .18s}
.nrdivjsf-nav a:hover{color:var(--nv-main);background:var(--nv-soft)}
.nrdivjsf-mck{position:absolute;opacity:0;pointer-events:none;width:0;height:0}
.nrdivjsf-burger{display:none}

/* 首屏 */
.nrdivjsf-hero{background:linear-gradient(180deg,#F2F7FF 0%,#FFFFFF 100%);padding:64px 0 60px}
.nrdivjsf-hgrid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.nrdivjsf-tag{display:inline-block;font-size:13px;font-weight:600;color:var(--nv-main);background:var(--nv-soft);padding:6px 12px;border-radius:8px}
.nrdivjsf-h1{font-size:clamp(30px,4vw,46px);line-height:1.18;font-weight:800;letter-spacing:-.01em;margin:18px 0 12px}
.nrdivjsf-h1 em{font-style:normal;color:var(--nv-warm)}
.nrdivjsf-hsub{font-size:16px;font-weight:600;color:var(--nv-ink)}
.nrdivjsf-hdesc{margin-top:14px;font-size:15px;color:var(--nv-ink2);line-height:1.8}
.nrdivjsf-hbtns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.nrdivjsf-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:12px 22px;border-radius:10px;background:var(--nv-main);color:#fff;font-size:15px;font-weight:600;transition:background .18s,transform .18s,box-shadow .18s}
.nrdivjsf-btn:hover{background:#1E56D6;transform:translateY(-1px);box-shadow:0 8px 18px rgba(47,107,237,.24)}
.nrdivjsf-btn2{background:#fff;color:var(--nv-main);border:1px solid #C9D8F8}
.nrdivjsf-btn2:hover{background:var(--nv-soft);color:var(--nv-main);box-shadow:none}
.nrdivjsf-checks{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:24px}
.nrdivjsf-checks li{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:500;color:var(--nv-ink2)}
.nrdivjsf-checks li::before{content:"✓";color:var(--nv-main);font-weight:800;font-size:13px}
.nrdivjsf-hfig{border-radius:var(--nv-r);overflow:hidden;box-shadow:var(--nv-sd2)}
.nrdivjsf-hfig img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* 通用板块 */
.nrdivjsf-sec{padding:68px 0}
.nrdivjsf-sec--tint{background:#fff}
.nrdivjsf-shead{margin-bottom:28px;display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}
.nrdivjsf-shead h2{font-size:clamp(22px,2.5vw,28px);font-weight:700;line-height:1.3;letter-spacing:-.01em}
.nrdivjsf-sdesc{margin-top:8px;font-size:14px;color:var(--nv-ink2);max-width:640px}
.nrdivjsf-more{font-size:14px;font-weight:600;color:var(--nv-main);white-space:nowrap;transition:opacity .18s}
.nrdivjsf-more:hover{opacity:.72}

/* 卡片 */
.nrdivjsf-card{background:var(--nv-card);border-radius:var(--nv-r);box-shadow:var(--nv-sd);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease}
.nrdivjsf-card:hover{transform:translateY(-4px);box-shadow:var(--nv-sd2)}
.nrdivjsf-thumb{position:relative;display:block;overflow:hidden;background:var(--nv-soft)}
.nrdivjsf-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.nrdivjsf-card:hover .nrdivjsf-thumb img{transform:scale(1.04)}
.nrdivjsf-meta{padding:14px 16px 16px}
.nrdivjsf-meta h3{font-size:16px;line-height:1.4;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nrdivjsf-sub{margin-top:6px;font-size:13px;color:var(--nv-ink2)}
.nrdivjsf-badge{position:absolute;left:10px;top:10px;font-size:11px;font-weight:600;line-height:1.5;padding:2px 8px;border-radius:6px;background:rgba(255,255,255,.94);color:var(--nv-main)}
.nrdivjsf-badge--warm{color:#D9532A}
.nrdivjsf-mini{display:inline-block;margin-left:6px;font-style:normal;font-size:11px;font-weight:600;line-height:1.6;padding:1px 7px;border-radius:5px;background:rgba(47,107,237,.1);color:var(--nv-main);vertical-align:middle;white-space:nowrap}
.nrdivjsf-mini--warm{background:rgba(255,112,67,.13);color:#D9532A}
.nrdivjsf-score{color:var(--nv-warm);font-weight:800;font-size:15px}

/* 分类频道 */
.nrdivjsf-pindao{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.nrdivjsf-pindao li{background:#fff;border-radius:var(--nv-r);box-shadow:var(--nv-sd);padding:22px 20px;transition:transform .18s ease,box-shadow .18s ease}
.nrdivjsf-pindao li:hover{transform:translateY(-4px);box-shadow:var(--nv-sd2)}
.nrdivjsf-pindao b{display:block;font-size:16px;font-weight:700;margin-bottom:10px;position:relative;padding-top:12px}
.nrdivjsf-pindao b::before{content:"";position:absolute;left:0;top:0;width:24px;height:3px;border-radius:2px;background:var(--nv-main)}
.nrdivjsf-pindao span{font-size:14px;color:var(--nv-ink2);line-height:1.7}

/* 高分好评 */
.nrdivjsf-gfgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px}
.nrdivjsf-gfgrid .nrdivjsf-thumb--big{aspect-ratio:16/10}
.nrdivjsf-gfgrid .nrdivjsf-thumb--small{aspect-ratio:3/4}
.nrdivjsf-gfrate{display:flex;align-items:center;gap:8px;margin-top:8px}

/* 连载追更 */
.nrdivjsf-track{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:var(--nv-r);box-shadow:var(--nv-sd);overflow:hidden}
.nrdivjsf-node{padding:24px 20px}
.nrdivjsf-node + .nrdivjsf-node{border-left:1px solid var(--nv-line)}
.nrdivjsf-dot{display:block;width:10px;height:10px;border-radius:50%;background:var(--nv-warm);margin-bottom:12px}
.nrdivjsf-node h3{font-size:15px;font-weight:700;margin-bottom:12px}
.nrdivjsf-node li{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;color:var(--nv-ink2);padding:7px 0;border-bottom:1px dashed var(--nv-line)}
.nrdivjsf-node li:last-child{border-bottom:0}

/* 热门视频 */
.nrdivjsf-grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.nrdivjsf-wcard{display:grid;grid-template-columns:1fr 1fr;background:#fff;border-radius:var(--nv-r);box-shadow:var(--nv-sd);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease}
.nrdivjsf-wcard:hover{transform:translateY(-4px);box-shadow:var(--nv-sd2)}
.nrdivjsf-wcard .nrdivjsf-thumb{height:100%;aspect-ratio:16/11}
.nrdivjsf-wcard .nrdivjsf-meta{display:flex;flex-direction:column;justify-content:center}
.nrdivjsf-grid2 .nrdivjsf-card .nrdivjsf-thumb{aspect-ratio:16/9}

/* 最新上传 */
.nrdivjsf-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.nrdivjsf-grid3 .nrdivjsf-thumb{aspect-ratio:3/4}

/* 排行榜 */
.nrdivjsf-rank{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}
.nrdivjsf-rank li{display:flex;align-items:center;gap:12px;padding:13px 8px;border-bottom:1px solid var(--nv-line);transition:background .18s}
.nrdivjsf-rank li:hover{background:#F7F9FD}
.nrdivjsf-num{font-size:26px;font-weight:800;line-height:1;color:#C9D8F8;min-width:40px;font-variant-numeric:tabular-nums}
.nrdivjsf-rname{font-size:16px;font-weight:600}
.nrdivjsf-cat{font-style:normal;font-size:11px;font-weight:600;color:var(--nv-main);background:rgba(47,107,237,.1);padding:2px 8px;border-radius:5px;white-space:nowrap}
.nrdivjsf-word{margin-left:auto;font-size:12px;color:var(--nv-ink2);white-space:nowrap}

/* 精彩混剪 */
.nrdivjsf-mix{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.nrdivjsf-mix li{background:#fff;border-radius:var(--nv-r);box-shadow:var(--nv-sd);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease}
.nrdivjsf-mix li:hover{transform:translateY(-4px);box-shadow:var(--nv-sd2)}
.nrdivjsf-mix .nrdivjsf-thumb{aspect-ratio:21/9}
.nrdivjsf-mix .nrdivjsf-meta{padding:16px 18px}

/* 精选专题 */
.nrdivjsf-zgrid{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}
.nrdivjsf-zgrid li{background:#fff;border-radius:var(--nv-r);box-shadow:var(--nv-sd);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease}
.nrdivjsf-zgrid li:hover{transform:translateY(-4px);box-shadow:var(--nv-sd2)}
.nrdivjsf-zgrid li:first-child .nrdivjsf-thumb{aspect-ratio:16/10}
.nrdivjsf-zgrid li:last-child .nrdivjsf-thumb{aspect-ratio:4/3}

/* 推荐清单 */
.nrdivjsf-list li{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--nv-line)}
.nrdivjsf-list li:first-child{padding-top:0}
.nrdivjsf-list li:last-child{border-bottom:0}
.nrdivjsf-list .nrdivjsf-thumb{width:120px;flex:0 0 120px;aspect-ratio:3/2;border-radius:8px}
.nrdivjsf-list h3{font-size:16px;font-weight:600}
.nrdivjsf-list p{font-size:13px;color:var(--nv-ink2);margin-top:4px}

/* 资讯动态 */
.nrdivjsf-news li{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--nv-line)}
.nrdivjsf-news .nrdivjsf-thumb{width:96px;flex:0 0 96px;aspect-ratio:3/2;border-radius:6px}
.nrdivjsf-news h3{font-size:15px;font-weight:600;line-height:1.5}
.nrdivjsf-news time{display:block;font-size:12px;color:var(--nv-ink2);margin-top:2px}
.nrdivjsf-strip{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;min-height:44px;margin-top:22px;padding:10px 18px;background:var(--nv-soft);border-radius:10px;font-size:13px;color:var(--nv-ink2)}
.nrdivjsf-strip-tags{display:flex;align-items:center;gap:12px}
.nrdivjsf-strip-tags i{font-style:normal;position:relative;padding-left:12px}
.nrdivjsf-strip-tags i:first-child{padding-left:0}
.nrdivjsf-strip-tags i + i::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:12px;background:#CBD8EE}

/* 频道精选 */
.nrdivjsf-chgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.nrdivjsf-chcard{background:#fff;border-radius:var(--nv-r);box-shadow:var(--nv-sd);padding:22px 20px}
.nrdivjsf-chcard h3{font-size:14px;font-weight:700;color:var(--nv-main);margin-bottom:10px}
.nrdivjsf-chcard li{display:flex;gap:12px;align-items:flex-start;padding:11px 0}
.nrdivjsf-ava{width:40px;height:40px;flex:0 0 40px;border-radius:50%;background:var(--nv-soft);color:var(--nv-main);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}
.nrdivjsf-ava--warm{background:rgba(255,112,67,.13);color:#D9532A}
.nrdivjsf-chname{font-size:14px;font-weight:600}
.nrdivjsf-chdesc{font-size:13px;color:var(--nv-ink2);line-height:1.6}

/* 常见问答 */
.nrdivjsf-faq li{margin-bottom:12px}
.nrdivjsf-faq details{background:#fff;border-radius:12px;box-shadow:var(--nv-sd);overflow:hidden;transition:background .18s}
.nrdivjsf-faq details[open]{background:#F7F9FD}
.nrdivjsf-faq summary{list-style:none;cursor:pointer;min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;font-size:15px;font-weight:600}
.nrdivjsf-faq summary::-webkit-details-marker{display:none}
.nrdivjsf-faq summary::after{content:"＋";color:var(--nv-main);font-weight:700;flex:0 0 auto}
.nrdivjsf-faq details[open] summary::after{content:"－"}
.nrdivjsf-faq p{padding:0 20px 18px;font-size:14px;color:var(--nv-ink2);line-height:1.8}

/* 收口条 */
.nrdivjsf-cta{margin-top:36px;padding:26px 28px;background:#fff;border-radius:16px;box-shadow:var(--nv-sd);display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.nrdivjsf-cta p{font-size:16px;font-weight:600}
.nrdivjsf-cta-btns{display:flex;flex-wrap:wrap;gap:12px}

/* 页脚 */
.nrdivjsf-foot{background:#F2F6FD;border-top:1px solid var(--nv-line);padding:52px 0 0;margin-top:8px}
.nrdivjsf-fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.nrdivjsf-fbrand{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-weight:800;font-size:16px}
.nrdivjsf-fbrand p{width:100%;font-size:13px;font-weight:400;color:var(--nv-ink2);margin-top:6px}
.nrdivjsf-foot h4{font-size:14px;font-weight:700;margin-bottom:12px}
.nrdivjsf-foot li{font-size:13px;color:var(--nv-ink2);padding:6px 0}
.nrdivjsf-foot li a{transition:color .18s}
.nrdivjsf-foot li a:hover{color:var(--nv-main)}
.nrdivjsf-copy{margin-top:36px;padding:18px 0;border-top:1px solid var(--nv-line);font-size:12px;color:var(--nv-ink2);text-align:center}

@media (max-width:1024px){
  .nrdivjsf-hgrid{gap:36px}
  .nrdivjsf-pindao{grid-template-columns:repeat(2,1fr)}
  .nrdivjsf-gfgrid{grid-template-columns:1.6fr 1fr 1fr}
  .nrdivjsf-chgrid{grid-template-columns:repeat(2,1fr)}
  .nrdivjsf-fgrid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nrdivjsf-wrap{padding:0 18px}
  .nrdivjsf-topin{min-height:62px;gap:12px}
  .nrdivjsf-burger{display:flex;align-items:center;justify-content:center;width:44px;height:44px;margin-left:auto;border:1px solid var(--nv-line);border-radius:10px;cursor:pointer}
  .nrdivjsf-burger span{display:block;width:18px;height:2px;background:var(--nv-ink);border-radius:2px;position:relative}
  .nrdivjsf-burger span::before,.nrdivjsf-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--nv-ink);border-radius:2px}
  .nrdivjsf-burger span::before{top:-6px}
  .nrdivjsf-burger span::after{top:6px}
  .nrdivjsf-nav{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;gap:2px;margin-left:0;padding:8px 10px 14px;background:#fff;border-bottom:1px solid var(--nv-line);box-shadow:0 10px 20px rgba(23,43,77,.08)}
  .nrdivjsf-mck:checked ~ .nrdivjsf-nav{display:flex}
  .nrdivjsf-nav a{min-height:44px;display:flex;align-items:center;padding:0 12px;font-size:16px}
  .nrdivjsf-hero{padding:44px 0 46px}
  .nrdivjsf-hgrid{grid-template-columns:1fr;gap:32px}
  .nrdivjsf-hdesc{font-size:14px}
  .nrdivjsf-sec{padding:44px 0}
  .nrdivjsf-pindao{grid-template-columns:1fr}
  .nrdivjsf-gfgrid{grid-template-columns:1fr 1fr}
  .nrdivjsf-gfgrid li:first-child{grid-column:1 / -1}
  .nrdivjsf-track{grid-template-columns:1fr 1fr}
  .nrdivjsf-node + .nrdivjsf-node{border-left:0}
  .nrdivjsf-node{border-top:1px solid var(--nv-line)}
  .nrdivjsf-node:nth-child(-n+2){border-top:0}
  .nrdivjsf-node:nth-child(even){border-left:1px solid var(--nv-line)}
  .nrdivjsf-grid2,.nrdivjsf-grid3,.nrdivjsf-mix,.nrdivjsf-zgrid{grid-template-columns:1fr}
  .nrdivjsf-wcard{grid-template-columns:1fr}
  .nrdivjsf-wcard .nrdivjsf-thumb{aspect-ratio:16/9}
  .nrdivjsf-rank{grid-template-columns:1fr;gap:0}
  .nrdivjsf-chgrid{grid-template-columns:1fr}
  .nrdivjsf-cta{padding:22px 20px}
  .nrdivjsf-fgrid{grid-template-columns:1fr 1fr;gap:24px}
}
@media (max-width:520px){
  .nrdivjsf-gfgrid{grid-template-columns:1fr}
  .nrdivjsf-track{grid-template-columns:1fr}
  .nrdivjsf-node:nth-child(even){border-left:0}
  .nrdivjsf-node{border-top:1px solid var(--nv-line)}
  .nrdivjsf-node:first-child{border-top:0}
  .nrdivjsf-list .nrdivjsf-thumb{width:96px;flex:0 0 96px}
  .nrdivjsf-word{display:none}
  .nrdivjsf-strip{flex-direction:column;align-items:flex-start;gap:8px}
  .nrdivjsf-fgrid{grid-template-columns:1fr}
  .nrdivjsf-hbtns .nrdivjsf-btn{flex:1 1 auto}
}